XF 1.3 Error on conversation view

[Warchamp7]

1. Argument 1 passed to XenForo_Template_Helper_Core::helperUserNameHtml() must be of the type array, null given in /-----/-----/-----/forum/library/XenForo/Template/Helper/Core.php, line 1673:
   1672: <input type="button" value="' . 'Cancel' . '" class="button smallButton AttachmentCanceller" />
   1673:
   1674: <span class="ProgressMeter"><span class="ProgressGraphic">&nbsp;</span><span class="ProgressCounter">0%</span></span>
   
   
2. Argument 1 passed to XenForo_Template_Helper_Core::getUserHref() must be of the type array, null given, called in /-----/-----/-----/forum/library/XenForo/Template/Helper/Core.php on line 1689 and defined in /home/obs/public_html/forum/library/XenForo/Template/Helper/Core.php, line 1574:
   1573: )) . '" target="_blank" class="button Smallbutton">' . 'Delete' . '</a>
   1574: </noscript>
   1575:
   
   

Edit: Found the problem, was related to a template edit I made